All Balls Shock Seal Head Kit
A04-371002 (MFG #: 37-1002)
$76.30
Sale price
$76.30
Regular price
$76.30
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All Balls Shock Seal Head Kit for Yamaha WR250 Dirt Bike
All Balls Shock Seal Head Kit for Yamaha WR250 Dirt Bike
$76.30
Sale price
$76.30
Regular price
$76.30
SKU:A04-371002
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Description
Complete assemblies, ready to install into the shock body; Made from 6061 T-6 aluminum and the same custom elastomer as All-Balls fork seals; All have air bleed holes to help remove air from the oil reservoir during installation; Double-lip oil seal design keeps out dirt and keeps friction low; Some models have updated designs for easier installation; Kits include aluminum body, dust seal, bushing, oil seal, O-ring, internal guide bushing/washer, snap ring, and top-out bumper; ID: 14mm; OD: 40mm
Technical Specifications
- MFG. Part Number 37-1002
Vehicle Information
Yamaha WR250 Dirt Bike (1991-1997)
The Yamaha WR250, produced between 1991 and 1997, was a two-stroke, single-cylinder enduro motorcycle known for its off-road performance. During this period, the model was primarily identified by its year, often with a letter suffix (e.g., WR250ZB for 1991, WR250ZJ for 1997), rather than distinct trim levels. Its liquid-cooled two-stroke engine underwent notable evolutions. While the WR250 did not feature separate trim levels, it received significant annual updates. The engine displacement increased from 246 cc in 1991 to 249 cc (or 249.8 cc) from 1992 to 1997, with internal revisions such as a redesigned cylinder and a new carburetor. The transmission also evolved, moving from a 5-speed gearbox to a 6-speed in 1994, before returning to a 5-speed in 1997. Other improvements included a reinforced crankshaft, larger radiators, and adjusted flywheel weight for better power management. Q: How can I ensure parts fit my Yamaha WR250?
R: To guarantee compatibility, please use our year and edition selector located at the top of this page.
Maintenance
| Component | Interval | Details |
| Transmission Oil | Every 5 to 15 hours | Intervals vary by year (e.g., 1991: 10-15 h; 1997: 5-10 h) and riding style (aggressive or recreational). |
| Oil Filter | Not applicable / Not specified | Two-stroke models do not have a traditional engine oil filter. No specific information is provided for a transmission oil filter. |
| Spark Plug | Annually or every 100 hours | Interval not explicitly specified in sources, but this is a general recommendation for optimal performance. |
| Air Filter | Every 5 to 10 hours | Clean and re-oil regularly. Inspect frequently, especially after riding in dusty conditions. |
| Coolant | Annually or every 3 to 5 years | Interval not explicitly specified in sources. Check level regularly. |
Maintenance intervals may vary by model year and riding style. It is essential to consult your vehicle's specific owner's manual for accurate information.